International
Tables for
Crystallography
Volume A
Space-group symmetry
Edited by M. I. Aroyo

International Tables for Crystallography (2015). Vol. A, ch. 1.5, p. 80

Figure 1.5.1.2 

H. Wondratscheka and M. I. Aroyob
[Figure 1.5.1.2]
Figure 1.5.1.2

Monoclinic centred lattice, projected along the unique axis. The origin for all the cells is the same. The fractions [{\textstyle{1\over 2}}] indicate the height of the lattice points along the axis of projection.

(a) Unique axis b: (b) Unique axis c: (c) Unique axis a:
Cell choice 1: C-centred cell [a_1,b,c_1]. Cell choice 1: A-centred cell [a_1,b_1,c]. Cell choice 1: B-centred cell [a,b_1,c_1].
Cell choice 2: A-centred cell [a_2,b,c_2]. Cell choice 2: B-centred cell [a_2,b_2,c]. Cell choice 2: C-centred cell [a,b_2,c_2].
Cell choice 3: I-centred cell [a_3,b,c_3]. Cell choice 3: I-centred cell [a_3,b_3,c]. Cell choice 3: I-centred cell [a,b_3,c_3].